client

package javaserverclient;

import java.awt.Button;
import java.awt.Frame;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;

public class Client extends Frame implements ActionListener{

    private String host;
    private int port;

    private TextField first;
    private TextField second;
    private TextField result;

    private Button send;

    public Client(String host, int port){
        super("Client");

        this.host = host;
        this.port = port;

        setBounds(400,400,400,400);
        setLocation(200, 200);
        setVisible(true);
        setLayout(null);
        //GridLayout gridLayout = new GridLayout(2, 2);

        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent we) {
                dispose();
        }});


        first = new TextField();
        second = new TextField();
        result = new TextField();

        first.setBounds(50,100, 200,30);
        second.setBounds(50,150, 200,30);
        result.setBounds(50,200, 200, 30);

        result.setEditable(false);
        add(first);
        add(second);
        add(result);


        send = new Button("SEND");
        send.setBounds(50,250, 200, 30);
        send.addActionListener(this);

        add(send);

    }

    @Override
    public void actionPerformed(ActionEvent actionEvent) {

        if(first.getText().isEmpty() || second.getText().isEmpty()){
            return;
        }
        send.setEnabled(false);
        first.setEnabled(false);
        second.setEnabled(false);
        int firstNum = Integer.parseInt(first.getText());
        int secondNum = Integer.parseInt(second.getText());

        try(Socket socket = new Socket(host, port);
                ObjectOutputStream out = new ObjectOutputStream(socket.getOutputStream());
        ObjectInputStream in = new ObjectInputStream(socket.getInputStream());){

            out.writeInt(firstNum);
            out.writeInt(secondNum);
            out.flush();

            int resultNum = in.readInt();

            result.setText("" + resultNum);


        }
        catch(Exception e){
            e.printStackTrace();
        }
        send.setEnabled(true);
         first.setEnabled(true);
        second.setEnabled(true);
    }




    public static void main(String[] args) {
        String host = "localhost";
        int port = 4001;



        Client clinet = new Client(host, port);
    }



}